GeologyOntario has moved. You will be redirected to the new site in 10 seconds. If you are not immediately redirected please follow the below link to the new GeologyOntario platform. For assistance please contact us.
Ontario Geological Survey
Permanent Link to this Record:
MDI000000002707
| Record Name(s) | Agutua Arm Ag - 1985 |
|---|---|
| Related Record Type | |
| Related Record(s) | |
| Record Status | Occurrence |
| Date Created | 2021-Nov-01 |
| Date Last Modified | 2022-Jan-18 |
| Created By | |
| Revised By |
Primary Commodities: Silver
Secondary Commodities: Gold
Township or Area: Randall Lake Area
Latitude: 52° 50' 19.14" Longitude: -91° 12' 50.84"
UTM Zone: 15 Easting: 620292 Northing: 5855816 UTM Datum: NAD83
Resident Geologist District: Thunder Bay North
NTS Grid: 53B14SE
Point Location Description: Map in Assessment report 53B14SE0007
Location Method: Data Compilation
Access Description: The occurrence is located between the Agutua Arm of Weagamow Lake and Randall Lake, about 160 km north of Pickle Lake. Access is by float plane.
1985: Northern Dynasty Explorations Ltd. carried out prospecting, soil and rock sampling, and mapping.
| Office File Number | Online Assessment File Identifier | Online Assessment File Directory |
|---|---|---|
| 53B14SE0019 | 53B14SE0007 | 53B14SE0007 |
Province: Superior
Subprovince: Berens River
Terrane: North Caribou
Domain: North Caribou Core
Belt: North Caribou
Geological Age: Archean
| Rock Type | Rank | Composition | Texture | Relationship | Mafic lava flow-unsubdivided | 1 | Near |
|---|---|---|---|---|
| Diorite | 2 | Contains | ||
| Vein | 3 | quartz-tourmaline | Host | |
| Peridotite | 4 | serpentinzed | Near |
| Rank | Mineral Name | Class | Economic Mineral Type | Alteration Mineral Type | Alteration Ranking | Alteration Intensity | Alteration Style |
|---|---|---|---|---|---|---|---|
| 1 | Chalcopyrite | Economic | Ore | ||||
| 2 | Bornite | Economic | Ore | ||||
| 1 | Quartz | Economic | Gangue | ||||
| 2 | Tourmaline | Economic | Gangue |
Nov 01, 2021 (Therese Pettigrew) - Sample location TR-201 returned 66 ppm Ag and 280 ppb Au from a 2 cm wide, north-striking, 5 m long quartz-chalcopyrite-bornite-tourmaline vein hosted in a large diorite mass near its contact with a serpentine-magnetite lens (Assessment report 53B14SE0007)
| Commodity | Analytical Method | Digestion Method | Result | Unit | Limit | Qualifier |
|---|---|---|---|---|---|---|
| Gold | Unknown | 280 | ppb | |||
| Silver | Unknown | 66 | ppm |
We are continuously updating our assessment file / technical report information. If you notice errors in the data, please contact us.
Please review our Terms of Use agreement for this data product.
For detailed information regarding this mineral record please contact the Thunder Bay North Resident Geologist District Office